<!-- templates/index.html -->
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>小学口算题出题工具</title>
</head>
<body>
    <h1>小学口算题出题工具</h1>
    <ul>
        <li><a href="/generate/1">10以内加减法口算</a></li>
        <li><a href="/generate/2">20以内加减法口算</a></li>
        <!-- 其他题型同理，添加对应的链接 -->
    </ul>
</body>
</html>
